A review of the Serengeti Bormio sunglasses 8165 with the 555nm Blue Lens. This stylish model is extremely light-weight and is great for outdoor activities. It has a nylon frame with integrated nose pads. All Serengeti Sunglasses have photochromic lenses that constantly darken in bright light conditions and lighten in cloudy conditions.
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A Review of the Serengeti Modugno Showcasing Model 8408 - Shiny Dark Gunmetal with Drivers Non Polarized Lenses. Great Deep Lenses, Perfect for Pilot & Drivers.
This video compares Non Polarized to Polarized Sunglasses in a modern aviation cockpit. The negative effects of polarized sunglasses are "eye-opening".